79699880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153269}}^1$

素因数の和:153293

約数の個数: 32

約数和(自身を含む): 193120200

約数和(自身を除く): 113420320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 153269, 306538, 613076, 766345, 1226152, 1532690, 1992497, 3065380, 3984994, 6130760, 7969988, 9962485, 15939976, 19924970, 39849940, 79699880]

約数ペア:

[(1, 79699880), (2, 39849940), (4, 19924970), (5, 15939976), (8, 9962485), (10, 7969988), (13, 6130760), (20, 3984994), (26, 3065380), (40, 1992497), (52, 1532690), (65, 1226152), (104, 766345), (130, 613076), (260, 306538), (520, 153269)]